from xml.dom.minidom import parse

dom = parse('./ICTRP_Results_USA.xml')

tags = dom.documentElement.getElementsByTagName('Trial')

for tag in tags:
    TrialID = tag.getElementsByTagName('TrialID')[0].childNodes[0].data
    Last_Refreshed_on = tag.getElementsByTagName('Last_Refreshed_on')[0].childNodes[0].data
    print("TrialID: %s ,Last_Refreshed_on: %s" % (TrialID, Last_Refreshed_on))